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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - 250KB PDF converted to 50MB PDF"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90440#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - 250KB PDF converted to 50MB PDF"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90440">bug 90440</a>
from <span class="vcard"><a class="email" href="mailto:kurt.pfeifle@gmail.com" title="kurt.pfeifle@gmail.com">kurt.pfeifle@gmail.com</a>
</span></b>
<pre>You can run the following commands to gain some insight into what the problem
with this file is:
$> pdfimages -listFlow-background.pdf | head
page num type width height color comp bpc enc interp object ID x-ppi y-ppi
size ratio
---------------------------------------------------------------------------------------
1 0 image 5 5 rgb 3 8 image no 4 0 150 150
25B 33%
1 1 smask 5 5 gray 1 8 image no 4 0 150 150
11B 44%
1 2 image 5 5 rgb 3 8 image no 4 0 150 150
25B 33%
1 3 smask 5 5 gray 1 8 image no 4 0 150 150
11B 44%
1 4 image 5 5 rgb 3 8 image no 4 0 150 150
25B 33%
1 5 smask 5 5 gray 1 8 image no 4 0 150 150
11B 44%
1 6 image 5 5 rgb 3 8 image no 4 0 150 150
25B 33%
1 7 smask 5 5 gray 1 8 image no 4 0 150 150
11B 44%
$> pdfimages -list ~/Downloads/Flow-background.pdf | wc -l
163934
This page contains almost 164.000 mini-images (sized 5x5 pixels each, half of
them real images, the other half being "softmasks")!
Ok, the last sentence was not very precise... In reality it contains 164.000
references to a mini-image sized 5x5 pixels and located in object "4 0". (This
seems to also indicate a problem with pdfimages itself, since I think it should
point to a different object for the softmask...)</pre>
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